export const createId = () => {
    // http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript
    return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
        const r = Math.random() * 16 | 0
        const v = c === 'x' ? r : (r & 0x3 | 0x8)
        return v.toString(16)
    })
}
export const computeDistance = (startPosition, currentPosition) => {
    if (startPosition && currentPosition) {
        // const [startPosition, currentPosition] = Array
        const Length = Math.sqrt(Math.pow((startPosition.x - currentPosition.x), 2) +
            Math.pow((startPosition.y - currentPosition.y), 2))
        // console.log(Length.toFixed(2))
        return Length
    } else {
        return 0
    }
}